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Profile of keisuke6

keisuke6

Solved problems
APIO19_strange_device
Submitted but unsolved problems
APIO18_new_home APIO18_circle_selection APIO18_duathlon APIO19_bridges
APIO19_street_lamps APIO20_paint APIO20_swap APIO20_fun
APIO21_hexagon APIO21_jumps APIO21_roads APIO22_game
APIO22_perm